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| author | Scott Mayhew <smayhew@redhat.com> | 2019-02-15 13:42:02 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-02-23 09:06:43 +0100 |
| commit | aa1e52cbb1e45dec65c88f370d32362252380f49 (patch) | |
| tree | 92a57254b87c44789dd050dae8fc85255171e6bd /net/ax25/ax25_ip.c | |
| parent | 3a493b762f31fc0c571051cdfb0d80f49498e5fd (diff) | |
sunrpc: fix 4 more call sites that were using stack memory with a scatterlist
commit e7afe6c1d486b516ed586dcc10b3e7e3e85a9c2b upstream.
While trying to reproduce a reported kernel panic on arm64, I discovered
that AUTH_GSS basically doesn't work at all with older enctypes on arm64
systems with CONFIG_VMAP_STACK enabled. It turns out there still a few
places using stack memory with scatterlists, causing krb5_encrypt() and
krb5_decrypt() to produce incorrect results (or a BUG if CONFIG_DEBUG_SG
is enabled).
Tested with cthon on v4.0/v4.1/v4.2 with krb5/krb5i/krb5p using
des3-cbc-sha1 and arcfour-hmac-md5.
Signed-off-by: Scott Mayhew <smayhew@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/ax25/ax25_ip.c')
0 files changed, 0 insertions, 0 deletions